Receber Email Via POP e "Avaliar" conteudo

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import java.io.*;

public class Receiver {

    public static void main(String args[]) {
        try {
            String popServer = "pop.myhost.com.br"; //conferir com seu host. Habilitar o encaminhamento pop antes, senao nao funciona.
            String popUser = "[email removido]";  //O email.
            String popPassword = "mySecretPass";  //A senha de acesso
            boolean ssl = true;  //Se a conexao usa ou nao ssl.
            receive(popServer, popUser, popPassword, ssl);
        } catch (Exception ex) {
            System.out.println("Usage: java com.lotontech.mail.SimpleReceiver" + " popServer popUser popPassword");
        }
        System.exit(0);
    }

    public static void receive(String popServer, String popUser, String popPassword, boolean isSsl) {
        Store store = null;
        Folder folder = null;
        try {
            // -- Get hold of the default session --
            Properties props = System.getProperties();
            Session session = Session.getDefaultInstance(props, null);
            if (isSsl) {
                session.getProperties().put("mail.smtp.auth", "true");
                session.getProperties().put("mail.debug", "true");
                session.getProperties().put("mail.smtp.port", "465");
                session.getProperties().put("mail.smtp.socketFactory.port", "995");
                session.getProperties().put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
                session.getProperties().put("mail.smtp.socketFactory.fallback", "false");
                session.getProperties().put("mail.smtp.starttls.enable", "true");
            }

            // -- Get hold of a POP3 message store, and connect to it --
            store = session.getStore("pop3");
            store.connect(popServer, popUser, popPassword);

            // -- Try to get hold of the default folder --
            folder = store.getDefaultFolder();
            if (folder == null) {
                throw new Exception("No default folder");
            }
            // -- ...and its INBOX --
            folder = folder.getFolder("INBOX");
            if (folder == null) {
                throw new Exception("No POP3 INBOX");
            }
            // -- Open the folder for read only --
            folder.open(Folder.READ_ONLY);
            // -- Get the message wrappers and process them --
            Message[] msgs = folder.getMessages();
            for (int msgNum = 0; msgNum < msgs.length; msgNum++) {
                printMessage(msgs[msgNum]);
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            // -- Close down nicely --
            try {
                if (folder != null) {
                    folder.close(false);
                }
                if (store != null) {
                    store.close();
                }
            } catch (Exception ex2) {
                ex2.printStackTrace();
            }
        }
    }

    public static void printMessage(Message message) {
        try {
            // Get the header information
            String from = ((InternetAddress) message.getFrom()[0]).getPersonal();
            if (from == null) {
                from = ((InternetAddress) message.getFrom()[0]).getAddress();
            }
            System.out.println("FROM: " + from);
            String subject = message.getSubject();
            System.out.println("SUBJECT: " + subject);
            Date dataa = message.getReceivedDate();
            System.out.println("Numero da MSG: " + message.getMessageNumber());
            System.out.println("Recebido em: " + dataa);
            // -- Get the message part (i.e. the message itself) --
            Part messagePart = message;
            Object content = messagePart.getContent();
            // -- or its first body part if it is a multipart message --
            if (content instanceof Multipart) {
                messagePart = ((Multipart) content).getBodyPart(0);
                System.out.println("[ Multipart Message ]");
            }
            // -- Get the content type --
            String contentType = messagePart.getContentType();
            // -- If the content is plain text, we can print it --
            System.out.println("CONTENT:" + contentType);
            if (contentType.startsWith("text/plain") || contentType.startsWith("text/html")) {
                InputStream is = messagePart.getInputStream();
                BufferedReader reader = new BufferedReader(new InputStreamReader(is));
                String thisLine = reader.readLine();
                while (thisLine != null) {
                    System.out.println(thisLine);
                    thisLine = reader.readLine();
                }
            }
            System.out.println("-----------------------------");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}